As in robotic industry, there are many different types of robot arms. First of all, we have a pick and place machine. Automating boring pick and place task with a fixture, it accelerate the method of picking items up and place them in new location, increasing production rates. And then, there are packaging robot arms. They are extraordinary versatile, with the choice of arm tooling, a robot will complete any packaging method. There is an over sized kind of robot sizes, mounting choice, payload and reach offered to settle on from. After that, there is a welding robot. It provides accuracy and quality finished work in a fixed time. This welding robot can meet the demands, increase the production and assures the safety on every workplace. Finally, there are palletizing robot arms, it applied to automating unloading and loading box in or from a pallet will save time and prevent accidents. This machine is made to handle all kinds of materials.